127857660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 420616224

約数和(自身を除く): 292758564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 157, 196, 210, 245, 277, 294, 314, 420, 471, 490, 554, 588, 628, 735, 785, 831, 942, 980, 1099, 1108, 1385, 1470, 1570, 1662, 1884, 1939, 2198, 2355, 2770, 2940, 3140, 3297, 3324, 3878, 4155, 4396, 4710, 5495, 5540, 5817, 6594, 7693, 7756, 8310, 9420, 9695, 10990, 11634, 13188, 13573, 15386, 16485, 16620, 19390, 21980, 23079, 23268, 27146, 29085, 30772, 32970, 38465, 38780, 40719, 43489, 46158, 54292, 58170, 65940, 67865, 76930, 81438, 86978, 92316, 115395, 116340, 130467, 135730, 153860, 162876, 173956, 203595, 217445, 230790, 260934, 271460, 304423, 407190, 434890, 461580, 521868, 608846, 652335, 814380, 869780, 913269, 1217692, 1304670, 1522115, 1826538, 2130961, 2609340, 3044230, 3653076, 4261922, 4566345, 6088460, 6392883, 8523844, 9132690, 10654805, 12785766, 18265380, 21309610, 25571532, 31964415, 42619220, 63928830, 127857660]

約数ペア:

[(1, 127857660), (2, 63928830), (3, 42619220), (4, 31964415), (5, 25571532), (6, 21309610), (7, 18265380), (10, 12785766), (12, 10654805), (14, 9132690), (15, 8523844), (20, 6392883), (21, 6088460), (28, 4566345), (30, 4261922), (35, 3653076), (42, 3044230), (49, 2609340), (60, 2130961), (70, 1826538), (84, 1522115), (98, 1304670), (105, 1217692), (140, 913269), (147, 869780), (157, 814380), (196, 652335), (210, 608846), (245, 521868), (277, 461580), (294, 434890), (314, 407190), (420, 304423), (471, 271460), (490, 260934), (554, 230790), (588, 217445), (628, 203595), (735, 173956), (785, 162876), (831, 153860), (942, 135730), (980, 130467), (1099, 116340), (1108, 115395), (1385, 92316), (1470, 86978), (1570, 81438), (1662, 76930), (1884, 67865), (1939, 65940), (2198, 58170), (2355, 54292), (2770, 46158), (2940, 43489), (3140, 40719), (3297, 38780), (3324, 38465), (3878, 32970), (4155, 30772), (4396, 29085), (4710, 27146), (5495, 23268), (5540, 23079), (5817, 21980), (6594, 19390), (7693, 16620), (7756, 16485), (8310, 15386), (9420, 13573), (9695, 13188), (10990, 11634)]